From 668cc1b43558a60785756370cc47b06c6ab42491 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Mon, 15 Feb 2016 23:57:18 +0900
Subject: Fix segfault when `eval("__FILE__")` is executed

---
 mrbgems/mruby-eval/src/eval.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mrbgems/mruby-eval/src/eval.c b/mrbgems/mruby-eval/src/eval.c
index 7c5b08d1a..b3ac4c786 100644
--- a/mrbgems/mruby-eval/src/eval.c
+++ b/mrbgems/mruby-eval/src/eval.c
@@ -147,9 +147,11 @@ create_proc_from_string(mrb_state *mrb, char *s, int len, mrb_value binding, cha
 
   cxt = mrbc_context_new(mrb);
   cxt->lineno = line;
-  if (file) {
-    mrbc_filename(mrb, cxt, file);
+
+  if (!file) {
+    file = "(eval)";
   }
+  mrbc_filename(mrb, cxt, file);
   cxt->capture_errors = TRUE;
   cxt->no_optimize = TRUE;
 
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